ZDI-CAN-30744: ZDI-26-621: Microsoft Windows UMPDDrvRealizeBrush Improper Object Management Local Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-62712.
Affected Software
Event History
Frequently Asked Questions
What level of access does an attacker need before exploiting this issue?
The attacker must already be able to execute code with low privileges on the affected Windows system. This is a local privilege-escalation issue, not an unauthenticated remote entry point.
What is the potential impact after successful exploitation?
A local attacker can escalate privileges on an affected Microsoft Windows installation. The provided advisory assigns CVSS 7.8 to the vulnerability.
Which identifier should be used to track this vulnerability?
Track the issue as CVE-2026-62712. It is also identified by ZDI as ZDI-26-621.